40330442243221 has 8 divisors (see below), whose sum is σ = 43433739095040. Its totient is φ = 37227281840112.

The previous prime is 40330442243171. The next prime is 40330442243227. The reversal of 40330442243221 is 12234224403304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40330442243221 - 2¹³ = 40330442235029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40330442243227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33497881 + ... + 34680958.

It is an arithmetic number, because the mean of its divisors is an integer number (5429217386880).

Almost surely, 2^{40330442243221} is an apocalyptic number.

It is an amenable number.

40330442243221 is a deficient number, since it is larger than the sum of its proper divisors (3103296851819).

40330442243221 is a wasteful number, since it uses less digits than its factorization.

40330442243221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68224355.

The product of its (nonzero) digits is 110592, while the sum is 34.

Adding to 40330442243221 its reverse (12234224403304), we get a palindrome (52564666646525).

The spelling of 40330442243221 in words is "forty trillion, three hundred thirty billion, four hundred forty-two million, two hundred forty-three thousand, two hundred twenty-one".